Given that $\mathbf{a} = \begin{pmatrix} -12 \ 5 \end{pmatrix}$ and \(\mathbf{b} = \begin{pm

Question

Given that $\mathbf{a} = \begin{pmatrix} -12 \ 5 \end{pmatrix}$ and $\mathbf{b} = \begin{pmatrix} 6 \ -k \end{pmatrix}$, find $|\mathbf{a}|$. Given that $\mathbf{a}$ is parallel to $\mathbf{b}$, find the value of $k$.

Accepted Answer

(a) |a| = 13. (b) k = 5/2.

Determining Parallelism in 2D Column Vectors

Determining Parallelism in 2D Column Vectors

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